Soybeans on diverted acres : Hearings before the Committee on Agriculture, House of Representatives, Eighty-ninth Congress, Second session on H.R. 12798, H.R. 12855, H.R. 12890, H.R. 12964, H.R. 12965, H.R. 13057, and H.R. 13421, March 15, 16, and 23, 1966